package com.example.blogsystem.mapper;

import com.example.blogsystem.model.BlogInfo;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;


import java.util.List;

@Mapper
public interface BlogMapper {
    /*
    * 查询所有博客
    * */
    @Select("select id,title,content,user_id,delete_flag,update_time from blog where delete_flag = 0 order by id desc;")
    List<BlogInfo> queryBlog();
    /*
    * 根据博客id查询博客详情
    * */
    @Select("select id,title,content,user_id,delete_flag,update_time from blog where id=#{id} and delete_flag = 0;")
    BlogInfo selectBlogById(Integer id);
    /*
    * 插入博客
    * */
    @Insert("insert into `blog` (title,content,user_id) values(#{title},#{content},#{userId})")
    Integer insertBlog(BlogInfo blogInfo);
    /*
    * 更新博客
    * */
    Integer updateBlog(BlogInfo blogInfo);
    /*
    * */
}
